[W5SFA] End of the Line

[Buckeroo Brad]

Good Job!

On Mon, Jun 19, 2023 at 4:38 PM Roger Klein <rwklein at katyweb.net> wrote:

> We’re thinking there’s more than a little bit of luck involved to get a
> long flight.  Two of our balloons (W5SFA and KF5ZRT) have circumnavigated
> at least once, and I think three others have made it across the Atlantic –
> WA5IWB, K5FRT and N5ATH.  A lot has to do with balloon prep – I suspect Ray
> waves a dead chicken over the balloon, while hopping on one foot in a
> circle when the moon is full!
>
>
>
> Still, there’s a lot of effort that goes into properly stretching the
> balloon, making sure there are no balloon defects that might cause failure,
> how it’s sealed, how much “free lift” is ideal – seems like the latter is
> around 7 grams.  On top of that there’s weather –in the summer some
> thunderstorms can reach as high as the balloon float altitude (around
> 12,000m).
>
>
>
> One fascinating part of the flight was that the balloon went dark for a
> day when it passed over Ukraine.  It got some signal reports, but the GPS
> was garbled (probably jamming).  It also flew over North Korea twice, so
> those (unnamed persons) who are responsible are probably on a list for a
> long vacation in the gulag making gravel J
>
>
>
> As far as I know, nothing was done differently with the W5SFA balloon than
> the others, although it did seem to travel more in the higher latitudes.
> We’ll see how the next one goes.
>
>
>
> Roger N5RWK
>
>
>
> *From:* w5sfa [mailto:w5sfa-bounces at w5sfa.org] *On Behalf Of *Chuck Dietz
> *Sent:* Monday, June 19, 2023 4:07 PM
> *To:* Mail List for the W5SFA Radio Club
> *Subject:* Re: [W5SFA] End of the Line
>
>
>
> That was an amazing achievement. I had no idea that would even be
> possible.
>
>
>
> Chuck W5PR
>
>
>
> On Mon, Jun 19, 2023 at 4:01 PM Roger Klein <rwklein at protonmail.com>
> wrote:
>
> Also, a special tip of the hat to our balloon-meister and gas-passer,
> WA5IWB!
>
>
>
> Sent with Proton Mail <https://proton.me/> secure email.
>
>
>
> ------- Original Message -------
>
>
> On Monday, June 19th, 2023 at 3:43 PM, Gary Baldwin <kf5zrt at gmail.com>
> wrote:
>
>
> Well done Roger. A great achievement with 86 days of flying. We now have
> some goals to strive for in the future. The Balloon Team is proud to share
> our experience and achievements. Looking forward to the next launch.
>
> 73 to all
>
> Gary KF5ZRT
>
> On 6/19/23 3:35 PM, Roger Klein wrote:
>
> Folks,
>
>
>
> Looks like the W5SFA balloon that was launched on March 25 has finally
> gone down after 86 days, 5 hours of flight. It recently completed its
> fourth circuit around the globe, and was well out into the Atlantic Ocean
> this afternoon when it started to gradually lose altitude. Its last report
> was at 2:34 this afternoon Central time at an altitude of 3660m.
>
>
>
> This will be a hard record to beat, but we have more balloons queued up!
>
>
>
> 73,
>
>
>
> Roger N5RWK
>
>
>
> Sent with Proton Mail <https://proton.me/> secure email.
>
>
>
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>
>
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